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Round|Lab Grown|IGI

1.70ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG488154663

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154663

Diamond specifications and retailer prices

From $1,722 CAD
$1,230 USD
As of October 29, 2026
Save $5,159 CAD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,881 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488154663 or 488154663. Listed at 12 retailers as of October 29, 2026, with prices from $1,722 to $6,881, a $5,159 spread on the same certified stone. MOH London lists it at $6,881. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154663
Dimensions7.79 × 7.85 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.79 mm7.85 mm1.70 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154663
Side View
Table 59.0%Crown 31.7°GirdlePavilion 40.2°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,881 CAD|Low: $1,467 CAD|High: $6,936 CAD|Avg: $3,147 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 8$1,722 CAD
Retailer 7$1,836 CAD
Retailer 11$1,999 CAD
Retailer 13$2,056 CAD
Retailer 9$2,130 CAD
Retailer 14$2,130 CAD
Retailer 3$2,372 CAD
Retailer 2$2,797 CAD
Retailer 5$2,943 CAD
Retailer 10$3,370 CAD
Retailer 4$3,971 CAD
Retailer 12$3,993 CAD
Retailer 6$6,095 CAD
MOH London$6,881 CAD

38 data points across 14 retailers

12 retailers$1,722 CAD to $6,881 CAD

A
Cheapest Retailer
-
$1,722 CAD
$1,230 USD
B+
Retailer 2
-
$1,836 CAD
$1,312 USD
View
B+
Retailer 3
-
$1,999 CAD
$1,428 USD
View
B+
Retailer 4
-
$2,056 CAD
$1,469 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,130 CAD
$1,522 USD
View
Retailer 6
-
$2,130 CAD
$1,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$2,372 CAD
$1,695 USD
View
B+
Retailer 8
-
$2,797 CAD
£1,573 GBP
View
B
Retailer 9
-
$3,370 CAD
$2,408 USD
View
B
Retailer 10
-
$3,971 CAD
$2,837 USD
View
B
Retailer 11
-
$3,993 CAD
$2,853 USD
View
Most Expensive
B
MOH London
LG488154663 · Oct 29
$6,881 CAD
£3,871 GBP
View
11 more retailers have this diamond
Prices start from $1,722 CADSave up to $5,159 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.70ct Round
$1,722 CAD